Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 2326 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

SOX 10 km on 13 September 2026 at Ridgeway View Campsite near Wallingford features a multi terrain 10 km and a canicross 10 km, finishers get a medal, pint cup and free drink while fundraising supports the Thames Valley Air Ambulance.

A 6k forest run around Moreton on woodland paths with the last kilometre on a quiet country road. Held at Moreton Village Hall for participants aged 14 and over, with medals for all finishers.

Timed laps on a 5.3 km riverside course along the Thames allow runners to build distances from 5 km up to ultras. First 50 entries receive a black and yellow plushie and a Feisty mini me medal; a no medal option is available.

A 10 km fell race at Seatown and Chideock Hill on 13 September 2026 with about 570 m of climb. Entry is available beforehand or on the day for a £20 fee and the minimum age is 18.

Beat the Black Dog is a 12 km canitrail and trail run at Halo Ogmore Valley Life Centre in Ogmore Vale on 13 September 2026, held in aid of PAPYRUS Prevention of Young Suicide.

An annual mid September mountain navigation event in the Lake District at Seathwaite Farm, Borrowdale. Courses range from a Classic of about 25 miles and 8000 feet of ascent to shorter options; maps, electronic punching and post race food a..

A running festival at Glamis Castle offering 1 mile, 5k and 10k routes to run or walk in support of Maggie's Dundee. Registration is £30 and entrants receive a t shirt and finishers medal.

Teddy Bear Run in Aston Park, Birmingham brings families together for 2.5K or 5K courses, a finisher teddy, and a teddy bears picnic. Participants are invited to fundraise for Birmingham Children’s Hospital with a suggested minimum of £10.

A seven-hour lapped trail event near Hitchin on a 5K off-road loop, with a Mini Mile and virtual option, event village amenities, parking and some proceeds donated to a local charity.

An off-road, timed 5K and 10K in the Essex countryside with a fully marshalled footpath route, village-hall finish, and fundraising support for the local Scout Group and tree-planting.

Defeat Delamere is a community running event at Delamere Forest on 13th September 2026 offering 5k, 10k, 16k and a Junior Race with race packs, finisher medals and t shirts included.

A measured 10 km held within the private grounds of Chevening House in Sevenoaks, Kent, featuring timed results, official photography and bespoke finisher medals as part of the British Landmark Series.

A trail 5k around Clowbridge Reservoir on two anticlockwise laps from Rossendale Valley Sailing Club. Part of a three race series in September 2026, open to ages 11 and over with about 25 m total elevation.

An eight-day, supported 185-mile ultramarathon along the inhabited Outer Hebrides, following the Hebridean Way with an extension to the Butt of Lewis. Accommodation, most meals, transfers, pit stops and professional safety cover are include..

A multi-distance run and trek in the Peak District near Hathersage on 18-19 September 2026, offering routes from 25km to 100 miles with GPS tracking, checkpoints, guided groups, and finish meal and goody bag.

Ben Nevis Skyline is a **30 km** mountain and trail race at Nevis Range near Fort William, held within the Salomon Skyline Scotland weekend on 18 to 20 September 2026. It was a 2025 Golden Trail World Series qualifier.

Coastal trail races in Abersoch on the Llyn Peninsula featuring 20 km, 10 km and 2 km beach races on 19 September 2026. Routes follow coastal paths and finish on Abersoch Beach with aid stations, chip timing and finish area music.

A multi-day mountain and trail running festival in Kinlochleven, Lochaber, featuring seven races from 100 miles to 5 km and an event village with live commentary, athlete panels and brand exhibits.

Enjoy a flexible timed event along the scenic River Mersey at Chorlton Water Park. Choose your own distance from 5km up to an ultra marathon on this flat and fast riverside trail course.

Salomon Skyline Scotland returns to Nevis Range near Fort William from 18 to 20 September 2026, offering multiple mountain and trail races from 5 km to 100 miles with live tracking, big screens, an expo and local food traders.

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